linux-kernel - [PATCH] rcu_batches_completed prototype cleanup

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Message-ID: <Pine.LNX.4.58.0802142335280.17968@gandalf.stny.rr.com>
Date:	Thu, 14 Feb 2008 23:57:48 -0500 (EST)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	LKML <linux-kernel@...r.kernel.org>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>, akpm@...l.org,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH] rcu_batches_completed prototype cleanup


rcu_batches_completed and rcu_patches_completed_bh are both declared
in rcuclassic.h and rcupreempt.h. This patch removes the extra
prototypes for them from rcupdate.h.

rcu_batches_completed_bh is defined as a static inline in the rcupreempt.h
header file. Trying to export this as EXPORT_SYMBOL_GPL causes section
problems with the powerpc compiler. There's no need to export a static
inlined function.

Modules must be compiled with the same type of RCU implementation as the
kernel they are for.

Signed-off-by: Steven Rostedt <srostedt@...hat.com>
---
 include/linux/rcupdate.h |    2 --
 kernel/rcupreempt.c      |    2 --
 2 files changed, 4 deletions(-)

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 37a642c..ae5ba4e 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -238,8 +238,6 @@ extern void call_rcu_bh(struct rcu_head *head,
 /* Exported common interfaces */
 extern void synchronize_rcu(void);
 extern void rcu_barrier(void);
-extern long rcu_batches_completed(void);
-extern long rcu_batches_completed_bh(void);

 /* Internal to kernel */
 extern void rcu_init(void);
diff --git a/kernel/rcupreempt.c b/kernel/rcupreempt.c
index 987cfb7..bdd0a1d 100644
--- a/kernel/rcupreempt.c
+++ b/kernel/rcupreempt.c
@@ -213,8 +213,6 @@ long rcu_batches_completed(void)
 }
 EXPORT_SYMBOL_GPL(rcu_batches_completed);

-EXPORT_SYMBOL_GPL(rcu_batches_completed_bh);
-
 void __rcu_read_lock(void)
 {
 	int idx;

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